133918507001 has 2 divisors, whose sum is σ = 133918507002. Its totient is φ = 133918507000.

The previous prime is 133918506989. The next prime is 133918507049. The reversal of 133918507001 is 100705819331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128648472976 + 5270034025 = 358676^2 + 72595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133918507001 is a prime.

It is not a weakly prime, because it can be changed into another prime (133918507901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66959253500 + 66959253501.

It is an arithmetic number, because the mean of its divisors is an integer number (66959253501).

Almost surely, 2^133918507001 is an apocalyptic number.

It is an amenable number.

133918507001 is a deficient number, since it is larger than the sum of its proper divisors (1).

133918507001 is an equidigital number, since it uses as much as digits as its factorization.

133918507001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 133918507001 in words is "one hundred thirty-three billion, nine hundred eighteen million, five hundred seven thousand, one".